Home / 40,236.72-55,525.84-22,331.60

Finding the Fourth Proportional to 40,236.72, 55,525.84 and 22,331.60

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Solution

The fourth proportional to 40,236.72, 55,525.84 and 22,331.60 is: 30,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,236.72 : 55,525.84 = 22,331.60 : x
  2. Step 2: Convert to fraction form
    40,236.72/55,525.84 = 22,331.60/x
  3. Step 3: Cross multiply
    40,236.72x = 55,525.84 × 22,331.60
  4. Step 4: Simplify right side
    40,236.72x = 1,239,980,848.54
  5. Step 5: Solve for x
    x = 1,239,980,848.54/40,236.72
  6. Step 6: Final answer
    x = 30,817.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.